let priceSteps = “”; const currencySymbol = “$”, fixedCurrency = “USD”; function calculatePrice(){ priceSteps=””; const unitPrice=parseFloat(document.getElementById(“unitPrice”).value); const quantity=parseFloat(document.getElementById(“quantity”).value); const discount=parseFloat(document.getElementById(“discount”).value)/100; if(isNaN(unitPrice)||isNaN(quantity)||isNaN(discount)||unitPrice<=0||quantity<=0){ alert("Please enter valid positive values for all fields."); return; } const total = (unitPrice * quantity) * (1 – discount); document.getElementById("totalPrice").value = formatCurrency(total); priceSteps += `Inputs:
Unit Price: ${formatCurrency(unitPrice)}
Quantity: ${quantity}
Discount: ${(discount*100).toFixed(1)}%

`; priceSteps += `Formulas:
Total Price = Unit Price × Quantity × (1 – Discount%)

`; priceSteps += `Results:
Total Price: ${formatCurrency(total)}
`; if(document.getElementById(“calculationStepsPrice”).style.display===”block”){ document.getElementById(“calculationStepsPrice”).innerHTML = priceSteps; } } function resetPrice(){ document.querySelectorAll(“#calculator input”).forEach(el=>el.value=””); priceSteps=””; document.getElementById(“calculationStepsPrice”).innerHTML=”

Not calculated yet.

“; } function togglePriceSteps(){ const s=document.getElementById(“calculationStepsPrice”); const a=document.getElementById(“toggleArrowPrice”); if(s.style.display===”none”||s.style.display===””){ s.style.display=”block”;a.style.transform=”rotate(180deg)”; s.innerHTML=priceSteps||”

Not calculated yet.

“; }else{s.style.display=”none”;a.style.transform=”rotate(0deg)”;} } function formatCurrency(n){return currencySymbol+n.toFixed(2)+” “+fixedCurrency;}